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    <title>炫酷的流变按钮</title>
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        <svg width="160" height="50">
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          <div class="text">求点赞</div>
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        <svg width="160" height="50">
          <rect class="shape" width="160" height="50"></rect>
          <div class="text">求关注</div>
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        <svg width="160" height="50">
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          <div class="text">求分享</div>
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